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vpac270.c

/*
 * Hardware definitions for Voipac PXA270
 *
 * Copyright (C) 2010
 * Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/sysdev.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/onenand.h>
#include <linux/dm9000.h>
#include <linux/ucb1400.h>
#include <linux/ata_platform.h>
#include <linux/regulator/max1586.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/pxa27x.h>
#include <mach/audio.h>
#include <mach/vpac270.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
#include <mach/ohci.h>
#include <mach/pxa27x-udc.h>
#include <mach/udc.h>
#include <mach/pata_pxa.h>

#include <plat/i2c.h>

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long vpac270_pin_config[] __initdata = {
      /* MMC */
      GPIO32_MMC_CLK,
      GPIO92_MMC_DAT_0,
      GPIO109_MMC_DAT_1,
      GPIO110_MMC_DAT_2,
      GPIO111_MMC_DAT_3,
      GPIO112_MMC_CMD,
      GPIO53_GPIO,      /* SD detect */
      GPIO52_GPIO,      /* SD r/o switch */

      /* GPIO KEYS */
      GPIO1_GPIO, /* USER BTN */

      /* LEDs */
      GPIO15_GPIO,      /* orange led */

      /* FFUART */
      GPIO34_FFUART_RXD,
      GPIO39_FFUART_TXD,
      GPIO27_FFUART_RTS,
      GPIO100_FFUART_CTS,
      GPIO33_FFUART_DSR,
      GPIO40_FFUART_DTR,
      GPIO10_FFUART_DCD,
      GPIO38_FFUART_RI,

      /* LCD */
      GPIO58_LCD_LDD_0,
      GPIO59_LCD_LDD_1,
      GPIO60_LCD_LDD_2,
      GPIO61_LCD_LDD_3,
      GPIO62_LCD_LDD_4,
      GPIO63_LCD_LDD_5,
      GPIO64_LCD_LDD_6,
      GPIO65_LCD_LDD_7,
      GPIO66_LCD_LDD_8,
      GPIO67_LCD_LDD_9,
      GPIO68_LCD_LDD_10,
      GPIO69_LCD_LDD_11,
      GPIO70_LCD_LDD_12,
      GPIO71_LCD_LDD_13,
      GPIO72_LCD_LDD_14,
      GPIO73_LCD_LDD_15,
      GPIO86_LCD_LDD_16,
      GPIO87_LCD_LDD_17,
      GPIO74_LCD_FCLK,
      GPIO75_LCD_LCLK,
      GPIO76_LCD_PCLK,
      GPIO77_LCD_BIAS,

      /* PCMCIA */
      GPIO48_nPOE,
      GPIO49_nPWE,
      GPIO50_nPIOR,
      GPIO51_nPIOW,
      GPIO85_nPCE_1,
      GPIO54_nPCE_2,
      GPIO55_nPREG,
      GPIO57_nIOIS16,
      GPIO56_nPWAIT,
      GPIO104_PSKTSEL,
      GPIO84_GPIO,      /* PCMCIA CD */
      GPIO35_GPIO,      /* PCMCIA RDY */
      GPIO107_GPIO,     /* PCMCIA PPEN */
      GPIO11_GPIO,      /* PCMCIA RESET */
      GPIO17_GPIO,      /* CF CD */
      GPIO12_GPIO,      /* CF RDY */
      GPIO16_GPIO,      /* CF RESET */

      /* UHC */
      GPIO88_USBH1_PWR,
      GPIO89_USBH1_PEN,
      GPIO119_USBH2_PWR,
      GPIO120_USBH2_PEN,

      /* UDC */
      GPIO41_GPIO,

      /* Ethernet */
      GPIO114_GPIO,     /* IRQ */

      /* AC97 */
      GPIO28_AC97_BITCLK,
      GPIO29_AC97_SDATA_IN_0,
      GPIO30_AC97_SDATA_OUT,
      GPIO31_AC97_SYNC,
      GPIO95_AC97_nRESET,
      GPIO98_AC97_SYSCLK,
      GPIO113_GPIO,     /* TS IRQ */

      /* I2C */
      GPIO117_I2C_SCL,
      GPIO118_I2C_SDA,

      /* IDE */
      GPIO36_GPIO,      /* IDE IRQ */
      GPIO80_DREQ_1,
};

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition vpac270_nor_partitions[] = {
      {
            .name       = "Flash",
            .offset           = 0x00000000,
            .size       = MTDPART_SIZ_FULL,
      }
};

static struct physmap_flash_data vpac270_flash_data[] = {
      {
            .width            = 2,  /* bankwidth in bytes */
            .parts            = vpac270_nor_partitions,
            .nr_parts   = ARRAY_SIZE(vpac270_nor_partitions)
      }
};

static struct resource vpac270_flash_resource = {
      .start      = PXA_CS0_PHYS,
      .end  = PXA_CS0_PHYS + SZ_64M - 1,
      .flags      = IORESOURCE_MEM,
};

static struct platform_device vpac270_flash = {
      .name       = "physmap-flash",
      .id         = 0,
      .resource   = &vpac270_flash_resource,
      .num_resources    = 1,
      .dev        = {
            .platform_data = vpac270_flash_data,
      },
};
static void __init vpac270_nor_init(void)
{
      platform_device_register(&vpac270_flash);
}
#else
static inline void vpac270_nor_init(void) {}
#endif

/******************************************************************************
 * OneNAND Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
static struct mtd_partition vpac270_onenand_partitions[] = {
      {
            .name       = "Flash",
            .offset           = 0x00000000,
            .size       = MTDPART_SIZ_FULL,
      }
};

static struct onenand_platform_data vpac270_onenand_info = {
      .parts            = vpac270_onenand_partitions,
      .nr_parts   = ARRAY_SIZE(vpac270_onenand_partitions),
};

static struct resource vpac270_onenand_resources[] = {
      [0] = {
            .start      = PXA_CS0_PHYS,
            .end  = PXA_CS0_PHYS + SZ_1M,
            .flags      = IORESOURCE_MEM,
      },
};

static struct platform_device vpac270_onenand = {
      .name       = "onenand-flash",
      .id         = -1,
      .resource   = vpac270_onenand_resources,
      .num_resources    = ARRAY_SIZE(vpac270_onenand_resources),
      .dev        = {
            .platform_data    = &vpac270_onenand_info,
      },
};

static void __init vpac270_onenand_init(void)
{
      platform_device_register(&vpac270_onenand);
}
#else
static void __init vpac270_onenand_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data vpac270_mci_platform_data = {
      .ocr_mask         = MMC_VDD_32_33 | MMC_VDD_33_34,
      .gpio_power       = -1,
      .gpio_card_detect = GPIO53_VPAC270_SD_DETECT_N,
      .gpio_card_ro           = GPIO52_VPAC270_SD_READONLY,
      .detect_delay_ms  = 200,
};

static void __init vpac270_mmc_init(void)
{
      pxa_set_mci_info(&vpac270_mci_platform_data);
}
#else
static inline void vpac270_mmc_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button vpac270_pxa_buttons[] = {
      {KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"},
};

static struct gpio_keys_platform_data vpac270_pxa_keys_data = {
      .buttons    = vpac270_pxa_buttons,
      .nbuttons   = ARRAY_SIZE(vpac270_pxa_buttons),
};

static struct platform_device vpac270_pxa_keys = {
      .name = "gpio-keys",
      .id   = -1,
      .dev  = {
            .platform_data = &vpac270_pxa_keys_data,
      },
};

static void __init vpac270_keys_init(void)
{
      platform_device_register(&vpac270_pxa_keys);
}
#else
static inline void vpac270_keys_init(void) {}
#endif

/******************************************************************************
 * LED
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led vpac270_gpio_leds[] = {
{
      .name             = "vpac270:orange:user",
      .default_trigger  = "none",
      .gpio             = GPIO15_VPAC270_LED_ORANGE,
      .active_low       = 1,
}
};

static struct gpio_led_platform_data vpac270_gpio_led_info = {
      .leds       = vpac270_gpio_leds,
      .num_leds   = ARRAY_SIZE(vpac270_gpio_leds),
};

static struct platform_device vpac270_leds = {
      .name = "leds-gpio",
      .id   = -1,
      .dev  = {
            .platform_data    = &vpac270_gpio_led_info,
      }
};

static void __init vpac270_leds_init(void)
{
      platform_device_register(&vpac270_leds);
}
#else
static inline void vpac270_leds_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int vpac270_ohci_init(struct device *dev)
{
      UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
      return 0;
}

static struct pxaohci_platform_data vpac270_ohci_info = {
      .port_mode  = PMM_PERPORT_MODE,
      .flags            = ENABLE_PORT1 | ENABLE_PORT2 |
                  POWER_CONTROL_LOW | POWER_SENSE_LOW,
      .init       = vpac270_ohci_init,
};

static void __init vpac270_uhc_init(void)
{
      pxa_set_ohci_info(&vpac270_ohci_info);
}
#else
static inline void vpac270_uhc_init(void) {}
#endif

/******************************************************************************
 * USB Gadget
 ******************************************************************************/
#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
      .gpio_vbus        = GPIO41_VPAC270_UDC_DETECT,
      .gpio_pullup            = -1,
};

static struct platform_device vpac270_gpio_vbus = {
      .name = "gpio-vbus",
      .id   = -1,
      .dev  = {
            .platform_data    = &vpac270_gpio_vbus_info,
      },
};

static void vpac270_udc_command(int cmd)
{
      if (cmd == PXA2XX_UDC_CMD_CONNECT)
            UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
      else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
            UP2OCR = UP2OCR_HXOE;
}

static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {
      .udc_command            = vpac270_udc_command,
      .gpio_pullup            = -1,
};

static void __init vpac270_udc_init(void)
{
      pxa_set_udc_info(&vpac270_udc_info);
      platform_device_register(&vpac270_gpio_vbus);
}
#else
static inline void vpac270_udc_init(void) {}
#endif

/******************************************************************************
 * Ethernet
 ******************************************************************************/
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource vpac270_dm9000_resources[] = {
      [0] = {
            .start      = PXA_CS2_PHYS + 0x300,
            .end  = PXA_CS2_PHYS + 0x303,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = PXA_CS2_PHYS + 0x304,
            .end  = PXA_CS2_PHYS + 0x343,
            .flags      = IORESOURCE_MEM,
      },
      [2] = {
            .start      = IRQ_GPIO(GPIO114_VPAC270_ETH_IRQ),
            .end  = IRQ_GPIO(GPIO114_VPAC270_ETH_IRQ),
            .flags      = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
      },
};

static struct dm9000_plat_data vpac270_dm9000_platdata = {
      .flags            = DM9000_PLATF_32BITONLY,
};

static struct platform_device vpac270_dm9000_device = {
      .name       = "dm9000",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(vpac270_dm9000_resources),
      .resource   = vpac270_dm9000_resources,
      .dev        = {
            .platform_data = &vpac270_dm9000_platdata,
      }
};

static void __init vpac270_eth_init(void)
{
      platform_device_register(&vpac270_dm9000_device);
}
#else
static inline void vpac270_eth_init(void) {}
#endif

/******************************************************************************
 * Audio and Touchscreen
 ******************************************************************************/
#if   defined(CONFIG_TOUCHSCREEN_UCB1400) || \
      defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
static pxa2xx_audio_ops_t vpac270_ac97_pdata = {
      .reset_gpio = 95,
};

static struct ucb1400_pdata vpac270_ucb1400_pdata = {
      .irq        = IRQ_GPIO(GPIO113_VPAC270_TS_IRQ),
};

static struct platform_device vpac270_ucb1400_device = {
      .name       = "ucb1400_core",
      .id         = -1,
      .dev        = {
            .platform_data = &vpac270_ucb1400_pdata,
      },
};

static void __init vpac270_ts_init(void)
{
      pxa_set_ac97_info(&vpac270_ac97_pdata);
      platform_device_register(&vpac270_ucb1400_device);
}
#else
static inline void vpac270_ts_init(void) {}
#endif

/******************************************************************************
 * RTC
 ******************************************************************************/
#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
      {
            I2C_BOARD_INFO("ds1339", 0x68),
      },
};

static void __init vpac270_rtc_init(void)
{
      i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
}
#else
static inline void vpac270_rtc_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info vpac270_lcd_modes[] = {
{
      .pixclock   = 57692,
      .xres       = 640,
      .yres       = 480,
      .bpp        = 32,
      .depth            = 18,

      .left_margin      = 144,
      .right_margin     = 32,
      .upper_margin     = 13,
      .lower_margin     = 30,

      .hsync_len  = 32,
      .vsync_len  = 2,

      .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, {  /* CRT 640x480 */
      .pixclock   = 35000,
      .xres       = 640,
      .yres       = 480,
      .bpp        = 16,
      .depth            = 16,

      .left_margin      = 96,
      .right_margin     = 48,
      .upper_margin     = 33,
      .lower_margin     = 10,

      .hsync_len  = 48,
      .vsync_len  = 1,

      .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, {  /* CRT 800x600 H=30kHz V=48HZ */
      .pixclock   = 25000,
      .xres       = 800,
      .yres       = 600,
      .bpp        = 16,
      .depth            = 16,

      .left_margin      = 50,
      .right_margin     = 1,
      .upper_margin     = 21,
      .lower_margin     = 12,

      .hsync_len  = 8,
      .vsync_len  = 1,

      .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}, {  /* CRT 1024x768 H=40kHz V=50Hz */
      .pixclock   = 15000,
      .xres       = 1024,
      .yres       = 768,
      .bpp        = 16,
      .depth            = 16,

      .left_margin      = 220,
      .right_margin     = 8,
      .upper_margin     = 33,
      .lower_margin     = 2,

      .hsync_len  = 48,
      .vsync_len  = 1,

      .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
}
};

static struct pxafb_mach_info vpac270_lcd_screen = {
      .modes            = vpac270_lcd_modes,
      .num_modes  = ARRAY_SIZE(vpac270_lcd_modes),
      .lcd_conn   = LCD_COLOR_TFT_18BPP,
};

static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info)
{
      gpio_set_value(GPIO81_VPAC270_BKL_ON, on);
}

static void __init vpac270_lcd_init(void)
{
      int ret;

      ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON");
      if (ret) {
            pr_err("Requesting BKL-ON GPIO failed!\n");
            goto err;
      }

      ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1);
      if (ret) {
            pr_err("Setting BKL-ON GPIO direction failed!\n");
            goto err2;
      }

      vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
      set_pxa_fb_info(&vpac270_lcd_screen);
      return;

err2:
      gpio_free(GPIO81_VPAC270_BKL_ON);
err:
      return;
}
#else
static inline void vpac270_lcd_init(void) {}
#endif

/******************************************************************************
 * PATA IDE
 ******************************************************************************/
#if defined(CONFIG_PATA_PXA) || defined(CONFIG_PATA_PXA_MODULE)
static struct pata_pxa_pdata vpac270_pata_pdata = {
      .reg_shift  = 1,
      .dma_dreq   = 1,
      .irq_flags  = IRQF_TRIGGER_RISING,
};

static struct resource vpac270_ide_resources[] = {
      [0] = {     /* I/O Base address */
             .start     = PXA_CS3_PHYS + 0x120,
             .end = PXA_CS3_PHYS + 0x13f,
             .flags     = IORESOURCE_MEM
      },
      [1] = {     /* CTL Base address */
             .start     = PXA_CS3_PHYS + 0x15c,
             .end = PXA_CS3_PHYS + 0x15f,
             .flags     = IORESOURCE_MEM
      },
      [2] = {     /* DMA Base address */
             .start     = PXA_CS3_PHYS + 0x20,
             .end = PXA_CS3_PHYS + 0x2f,
             .flags     = IORESOURCE_DMA
      },
      [3] = {     /* IDE IRQ pin */
             .start     = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
             .end = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
             .flags     = IORESOURCE_IRQ
      }
};

static struct platform_device vpac270_ide_device = {
      .name       = "pata_pxa",
      .num_resources    = ARRAY_SIZE(vpac270_ide_resources),
      .resource   = vpac270_ide_resources,
      .dev        = {
            .platform_data    = &vpac270_pata_pdata,
            .coherent_dma_mask      = 0xffffffff,
      }
};

static void __init vpac270_ide_init(void)
{
      platform_device_register(&vpac270_ide_device);
}
#else
static inline void vpac270_ide_init(void) {}
#endif

/******************************************************************************
 * Core power regulator
 ******************************************************************************/
#if defined(CONFIG_REGULATOR_MAX1586) || \
    defined(CONFIG_REGULATOR_MAX1586_MODULE)
static struct regulator_consumer_supply vpac270_max1587a_consumers[] = {
      {
            .supply     = "vcc_core",
      }
};

static struct regulator_init_data vpac270_max1587a_v3_info = {
      .constraints = {
            .name       = "vcc_core range",
            .min_uV           = 900000,
            .max_uV           = 1705000,
            .always_on  = 1,
            .valid_ops_mask   = REGULATOR_CHANGE_VOLTAGE,
      },
      .consumer_supplies      = vpac270_max1587a_consumers,
      .num_consumer_supplies  = ARRAY_SIZE(vpac270_max1587a_consumers),
};

static struct max1586_subdev_data vpac270_max1587a_subdevs[] = {
      {
            .name       = "vcc_core",
            .id         = MAX1586_V3,
            .platform_data    = &vpac270_max1587a_v3_info,
      }
};

static struct max1586_platform_data vpac270_max1587a_info = {
      .subdevs     = vpac270_max1587a_subdevs,
      .num_subdevs = ARRAY_SIZE(vpac270_max1587a_subdevs),
      .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
};

static struct i2c_board_info __initdata vpac270_pi2c_board_info[] = {
      {
            I2C_BOARD_INFO("max1586", 0x14),
            .platform_data    = &vpac270_max1587a_info,
      },
};

static void __init vpac270_pmic_init(void)
{
      i2c_register_board_info(1, ARRAY_AND_SIZE(vpac270_pi2c_board_info));
}
#else
static inline void vpac270_pmic_init(void) {}
#endif


/******************************************************************************
 * Machine init
 ******************************************************************************/
static void __init vpac270_init(void)
{
      pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));

      pxa_set_ffuart_info(NULL);
      pxa_set_btuart_info(NULL);
      pxa_set_stuart_info(NULL);
      pxa_set_i2c_info(NULL);
      pxa27x_set_i2c_power_info(NULL);

      vpac270_pmic_init();
      vpac270_lcd_init();
      vpac270_mmc_init();
      vpac270_nor_init();
      vpac270_onenand_init();
      vpac270_leds_init();
      vpac270_keys_init();
      vpac270_uhc_init();
      vpac270_udc_init();
      vpac270_eth_init();
      vpac270_ts_init();
      vpac270_rtc_init();
      vpac270_ide_init();
}

MACHINE_START(VPAC270, "Voipac PXA270")
      .boot_params      = 0xa0000100,
      .map_io           = pxa27x_map_io,
      .init_irq   = pxa27x_init_irq,
      .timer            = &pxa_timer,
      .init_machine     = vpac270_init
MACHINE_END

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